Brompton P Line Electric M4L (2026): the next evolution of the iconic Brompton, blending titanium innovation, electric efficiency, and compact practicality. Weighing from just 16.3kg, this lightweight folding e-bike is made for fast, flexible urban travel — whether you’re commuting, connecting by train, or exploring the city. Jump to: What • How • Why • FAQ WHAT is the Brompton P Line Electric M4L? The P Line Electric M4L is Brompton’s premium lightweight folding e-bike, combining a titanium rear frame with a carbon fork and hand-brazed steel main frame. It’s powered by a compact 345Wh Greenway battery, providing up to 90km of pedal-assisted range. With 4 gears, a carbon fork, and quick 20-spoke wheels, it delivers efficient performance while maintaining Brompton’s world-renowned portability. Weight: From 16.3kg Speed: 4-speed Frame: Steel main frame with Superlight titanium rear frame Fork: Carbon Fibre Folded Size: 645 (L) x 600 (H) x 320 (W) mm Battery: 345Wh Greenway, up to 90km range, full charge in 5 hours Drivetrain: Brompton 4-speed system with 163% gear range Chainset: 6061 forged aluminium crank with 54T chainring Wheels: 16" double-wall rims, 20 spokes Tyres: Continental Contact Urban Brakes: Brompton dual-pivot calipers Mudguards & Rack: Included – SuperRoll rear rack with 70mm roller wheels Lighting: Lezyne e115 StVZO front light Handlebar Control: New Brompton Handlebar Control Screen Front Carrier: Luggage mount adaptor compatible with all Brompton bags Accessories: Zip Bag (Small) & Bell included HOW does it ride? The P Line Electric M4L delivers a refined and responsive ride with its titanium rear frame and advanced suspension block. The front hub motor provides smooth, quiet power delivery, while the ergonomic grips, Superlight saddle, and compact geometry ensure comfort and control. It’s a lightweight yet capable companion for zipping through the city or tackling longer commutes. Ride feel: Stable, agile, and balanced with responsive motor support Convenience: Quick 4-speed gearing for city gradients and flats Comfort: Suspension block and ergonomic contact points for smoother rides WHY choose the P Line Electric M4L? The P Line Electric is built for riders who value lightweight design, compact folding, and powerful electric assistance. The titanium frame keeps weight to a minimum, while the folding system remains unmatched for convenience. With integrated lighting, a rack, and battery compatibility with Brompton accessories, this is the ultimate e-bike for efficient, stylish urban commuting. Best for: City commuters, train-to-work riders, and urban explorers Not for: Off-road or high-speed long-distance riding Highlights: Lightweight titanium build • Compact fold • 90km range • Electric assist Frequently Asked Questions FAQs about the Brompton P Line Electric M4L (2026) How far can I travel on one charge? The 345Wh Greenway battery provides up to 90km of assisted range depending on riding mode and terrain. How long does it take to charge? The battery fully charges in approximately 5 hours using the included 4A charger. Is it suitable for public transport? Yes — its compact folded size (645 × 600 × 320mm) makes it ideal for trains, buses, and small car boots. Can I use my existing Brompton luggage? Yes — the bike includes a front carrier block adaptor compatible with all Brompton front bags and baskets. Need more details? Contact our experts or visit our Folding Bike Guide. More like this: Shop Folding Bikes • Explore Brompton Range Assembly & Setup Built and tested by Cytech-qualified mechanics. Choose Click & Collect or home delivery with pre-assembly and safety checks. Delivery / Click & Collect Fast UK delivery or FREE Click & Collect from your local JE James Cycles store. Finance & Support Available with 0% finance and Cycle to Work options. Speak to our experts for sizing or setup help. On occasion, without notice, manufacturers may change product design and/or specifications.
